689275506 has 16 divisors (see below), whose sum is σ = 1459642464. Its totient is φ = 216243264.

The previous prime is 689275493. The next prime is 689275507. The reversal of 689275506 is 605572986.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (689275507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3378700 + ... + 3378903.

It is an arithmetic number, because the mean of its divisors is an integer number (91227654).

Almost surely, 2^689275506 is an apocalyptic number.

689275506 is an abundant number, since it is smaller than the sum of its proper divisors (770366958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689275506 is a wasteful number, since it uses less digits than its factorization.

689275506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757625.

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 689275506 is about 26254.0569436421. The cubic root of 689275506 is about 883.3462070352.

The spelling of 689275506 in words is "six hundred eighty-nine million, two hundred seventy-five thousand, five hundred six".